CN203619542U - Ultra-thin pulse sensor - Google Patents
Ultra-thin pulse sensor Download PDFInfo
- Publication number
- CN203619542U CN203619542U CN201320794066.3U CN201320794066U CN203619542U CN 203619542 U CN203619542 U CN 203619542U CN 201320794066 U CN201320794066 U CN 201320794066U CN 203619542 U CN203619542 U CN 203619542U
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- Prior art keywords
- pulse
- housing
- piezoelectric membrane
- vibrations
- ultrathin
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- 239000012528 membrane Substances 0.000 claims description 46
- 239000010410 layer Substances 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000002788 crimping Methods 0.000 claims description 4
- 238000013480 data collection Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000001575 pathological effect Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 241001503987 Clematis vitalba Species 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses an ultra-thin pulse sensor, and belongs to the technical field of pulse sensors. According to the technical points, the ultra-thin pulse sensor comprises a shell, wherein the shell is internally provided with a pulse vibration transfer block and a piezoelectric film which are mutually attached, and the pulse vibration transfer block and the piezoelectric film are arranged inside the shell in a clamping manner; a pulse contact is arranged on the end face, opposite to the shell, of the pulse vibration transfer block, a through hole suitable for the pulse contact is arranged on the shell, and the pulse contact penetrates through the through hole to be contacted with a human body; the shell corresponding to the piezoelectric film is provided with a piezoelectric film vibration stroke working cavity; the piezoelectric film is connected with an external data collecting instrument through a signal wire. The utility model aims to provide the ultra-thin pulse sensor which is compact in structure, small in size and high in sensibility; the ultra-thin pulse sensor is used for detecting the pulse of the human body.
Description
Technical field
This utility model relates to a kind of sensor, more particularly, relates in particular to a kind of ultrathin pulse transducer.
Background technology
Pulse wave is one of important parameter of cardiovascular system of human body.In the time of the periodic contraction of heart and diastole, ventricle is injected aortal blood flow the form with ripple is set out and propagated along tremulous pulse piping from aortic root, and this ripple is exactly pulse wave.Pulse wave transmits in tremulous pulse piping, and constantly reflection in the branches at different levels of downstream diverse location, make pulse wave not only will be subject to the impact of heart itself, also can be subject to various physiological and pathological factors flowing through in tremulous pulsies at different levels and branch as the impact of vascular resistance, vessel wall elasticity and blood stickiness etc., thereby the reflection wave strength reflecting from downstream peripheral arterial and waveform will have very big-difference with different physiological and pathological factors vary simultaneously.Therefore from pulse wave, extract the physiological and pathological information of human body as the foundation of clinical diagnosis and treatment, be always subject to the attention of China and foreign countries' medical circle.
In prior art, the device that uses piezoelectric to make, is converted to Voltage-output to the conversion of electric energy by pulse wave by mechanical energy, is modal pulse wave measurement method, and measuring arterial pressure variation with piezoelectric transducer is known technology.Its implementation, for by piezoelectric transducer unit is placed on human body artery surface, brings tension variation to measure endovascular pressure state by experiencing tremulous pulse.Artery diameter is generally 1.2mm～2.4mm, changes in order to be checked through accurately the pressure that tremulous pulse causes, sensor need to be covered as far as possible to the top of tremulous pulse.
In traditional pulse wave detects, disturbing with comfort level is usually a subject matter.Monitor continuously for meeting in life occasion, power consumption is also a subject matter.
The pulse wave sensor detecting based on mechanical energy traditionally requires detected person to take particular pose, and takes the mode of pressing, and to overcome interfering signal, meeting blood stream pressure can be conducted and identify clearly.
In addition, along with the development of technology, wearable technology enters people's the visual field, and the science and technology that can directly be through with it or be integrated into user's clothes or the equipment of accessory is mainly explored and created to wearable technology.Realize fast data acquisition, keep efficiently social contact by ultrafast sharing contents ability by " inherent connective ".Break away from traditional handheld device and obtain seamless access to netwoks experience.And this is applied to medical domain, combined type portable sensor, for every data of human body quickly and easily, by an important trend that is future development.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and a kind of compact conformation, the little and highly sensitive ultrathin pulse transducer of volume are provided.
The technical solution of the utility model is achieved in that a kind of ultrathin pulse transducer, comprise housing, in wherein said housing, be provided with pulse vibrations bonded to each other and transmit piece and piezoelectric membrane, piece is transmitted in described pulse vibrations and piezoelectric membrane clamping is arranged in housing; Transmit on the end face that piece is relative with housing and be provided with pulse contact in pulse vibrations, be provided with the through hole adapting with pulse contact on housing, described pulse contact contacts with human body through through hole; On housing corresponding to piezoelectric membrane, be provided with piezoelectric membrane vibrations stroke work cavity; Described piezoelectric membrane is connected by holding wire with external data collection instrument.
In the ultrathin pulse transducer of above-mentioned one, described housing is made up of the upper casing cooperatively interacting and lower casing, and at upper casing edge, along being circumferentially with some fastening folding feet, described upper casing and lower casing are rolled over climbers by fastening and connect; Piece is transmitted in described pulse vibrations and piezoelectric membrane is clamped between upper casing and lower casing; Described through hole is positioned on upper casing, and described piezoelectric membrane vibrations stroke work cavity is positioned on lower casing.
In the ultrathin pulse transducer of above-mentioned one, described housing is metal shell, the positive pole-face of described piezoelectric membrane and pulse vibrations are transmitted piece and are fitted, negative pole face and the inner walls of described piezoelectric membrane fit, the signal conductor of holding wire is folded in piezoelectric membrane and pulse vibrations are transmitted between piece, and the screen layer of holding wire is connected with housing.
In the ultrathin pulse transducer of above-mentioned one, described housing is provided with the electrode outlet line crimp head adapting with holding wire, between described housing and the screen layer of holding wire, is connected by the screen layer of electrode outlet line crimp head crimping holding wire.
In the ultrathin pulse transducer of above-mentioned one, described piezoelectric membrane both sides of edges is along circumferentially distributing and be coated with conductive adhesive layer, and the signal conductor of described holding wire is positioned at the region at conductive adhesive layer place.
In the ultrathin pulse transducer of above-mentioned one, the free end end face of described pulse contact is arcwall face.
In the ultrathin pulse transducer of above-mentioned one, the height that described pulse contact is positioned at hull outside part is 1～2.4mm.
In the ultrathin pulse transducer of above-mentioned one, the overall structure that described pulse vibrations transmission piece and pulse contact are formed in one.
This utility model adopts after said structure, compared with prior art, has advantages of following:
(1) fastening of upper and lower shell design, the elasticity that makes pulse vibrations that silica gel is made transmit piece acts on piezoelectric membrane completely, has offered the tensioner prestressing force of piezoelectric membrane, has guaranteed acquisition and the raising of transducer sensitivity;
(2) dexterously the piezoelectric membrane signal of telecommunication is drawn, the positive pole-face of piezoelectric membrane is drawn positive pole with conducting resinl paste signal wire, shakes the pressure that transmits piece by pulse, has fully guaranteed the conductive contact that sensor is good;
(3) the negative pole face of piezoelectric membrane sticks on lower casing, both solved the ground connection of piezoelectric membrane negative pole face and shell, thereby can draw negative pole by the screen layer of electrode outlet line crimp head crimping signal conductor again, utilize metal upper casing and lower casing to shield well the interference of outer signals to piezoelectric membrane;
(4) vibrations of the piezoelectric membrane in the middle of metal lower shell stroke work cavity, when having solved well piezoelectric membrane and carrying out pulse shock detection, needed deformation vibrations space, greatly improves this transducer sensitivity.
Sensor of the present utility model is adopting said structure design, guaranteeing, under working sensitivity and service life prerequisite, further to have dwindled the volume of pulse transducer, can be ultra-thin below 2mm, be well suited for wrist carried pulse detection and use, and make to produce assembly technology and become simple efficient.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional structure schematic diagram at A-A place in Fig. 1;
Fig. 3 is decomposition texture schematic diagram of the present utility model.
In figure: piece 2, pulse contact 2a, piezoelectric membrane 3, holding wire 4, electrode outlet line crimp head 5 are transmitted in housing 1, through hole 1a, piezoelectric membrane vibrations stroke work cavity 1b, upper casing 1c, lower casing 1d, fastening folding foot 1e, pulse vibrations.
The specific embodiment
Consult shown in Fig. 1 to Fig. 3, the ultrathin pulse transducer of one of the present utility model, comprise housing 1, be provided with pulse vibrations bonded to each other and transmit piece 2 and piezoelectric membrane 3 in described housing 1, piece 2 is transmitted in described pulse vibrations and piezoelectric membrane 3 clampings are arranged in housing 1; Transmit on the end face that piece 2 is relative with housing 1 and be provided with pulse contact 2a in pulse vibrations, be provided with the through hole 1a adapting with pulse contact 2a on housing 1, described pulse contact 2a contacts with human body through through hole 1a; The overall structure that the vibrations of pulse described in the present embodiment transmission piece 2 and pulse contact 2a are formed in one, entirety adopts silica gel to make; The free end end face of described pulse contact 2a is arcwall face, can well pulse vibration signal be delivered to like this to the work surface of piezoelectric membrane 3; The height that pulse contact 2a is positioned at housing 1 Outboard Sections is 1～2.4mm.On the housing 1 of piezoelectric membrane 3 correspondences, be provided with piezoelectric membrane vibrations stroke work cavity 1b; Described piezoelectric membrane 3 is connected by holding wire 4 with external data collection instrument.
Particularly, in the present embodiment, housing 1 is metal shell, and metal shell can shield the interference of outer signals to piezoelectric membrane 3 well.Housing 1 is made up of the upper casing 1c cooperatively interacting and lower casing 1d, and at upper casing 1c edge, along being circumferentially with some fastening folding foot 1e, described upper casing 1c and lower casing 1d roll over foot 1e snapping by fastening; Piece 2 is transmitted in described pulse vibrations and piezoelectric membrane 3 is clamped between upper casing 1c and lower casing 1d; It is upper that described through hole 1a is positioned at upper casing 1c, and described piezoelectric membrane vibrations stroke work cavity 1b is positioned on lower casing 1d.The snapping mode of upper and lower shell is the preferred mounting means of the present embodiment, certainly, also can adopt other snapping modes, or adopts other conventional connected modes of this area, such as bonding, welding etc.
Simultaneously, the positive pole-face of described piezoelectric membrane 3 and pulse vibrations are transmitted piece 2 and are fitted, the negative pole face of described piezoelectric membrane 3 and housing 1 inwall fit, and the signal conductor of holding wire 4 is folded in piezoelectric membrane 3 and pulse vibrations are transmitted between piece 2, and the screen layer of holding wire 4 is connected with housing 1; In piezoelectric membrane 3 both sides of edges, along circumferentially distributing and be coated with conductive adhesive layer, the signal conductor of described holding wire 4 is positioned at the region at conductive adhesive layer place, and the pressure of piece 2 is transmitted in the pulse vibrations of making by silica gel, has fully guaranteed the good conductive contact of sensor.
Install for convenience, make small product size further to dwindle, on lower casing 1d, be provided with the electrode outlet line crimp head 5 adapting with holding wire 4, between described housing 1 and the screen layer of holding wire 4, be connected by the screen layer of electrode outlet line crimp head 5 crimping holding wires 4.This structural design, is guaranteeing, under working sensitivity and the prerequisite in service life, further to have dwindled the volume of pulse transducer.Particularly ultra-thin when following to 2mm, be well suited for using as wrist carried pulse detection, and make to produce assembly technology and become simple efficient.
When use, sensor cluster of the present utility model is fixed on the corresponding position of human body by external fixation device, the position of adjusting pulse contact 2a, connects external data collection instrument, can carry out the collection of data.
Above illustrated embodiment is preferred embodiments of the present utility model, only be used for facilitating explanation this utility model, not this utility model is done to any pro forma restriction, under any, in technical field, have and conventionally know the knowledgeable, if not departing from the scope of technical characterictic that this utility model is carried, utilize technology contents that this utility model discloses to do the local equivalent embodiment that changes or modify, and do not depart from technical characterictic content of the present utility model, all still belong in the scope of this utility model technical characterictic.
Claims (8)
1. a ultrathin pulse transducer, comprise housing (1), it is characterized in that, in described housing (1), be provided with pulse vibrations bonded to each other and transmit piece (2) and piezoelectric membrane (3), piece (2) is transmitted in described pulse vibrations and piezoelectric membrane (3) clamping is arranged in housing (1); Transmit on the end face that piece (2) is relative with housing (1) and be provided with pulse contact (2a) in pulse vibrations, on housing (1), be provided with the through hole (1a) adapting with pulse contact (2a), described pulse contact (2a) contacts with human body through through hole (1a); On housing (1) corresponding to piezoelectric membrane (3), be provided with piezoelectric membrane vibrations stroke work cavitys (1b); Described piezoelectric membrane (3) is connected by holding wire (4) with external data collection instrument.
2. the ultrathin pulse transducer of one according to claim 1, it is characterized in that, described housing (1) is made up of the upper casing cooperatively interacting (1c) and lower casing (1d), at upper casing (1c) edge, along being circumferentially with some fastening folding feet (1e), described upper casing (1c) and lower casing (1d) are rolled over foot (1e) snapping by fastening; Piece (2) is transmitted in described pulse vibrations and piezoelectric membrane (3) is clamped between upper casing (1c) and lower casing (1d); It is upper that described through hole (1a) is positioned at upper casing (1c), and described piezoelectric membrane vibrations stroke work cavitys (1b) are positioned on lower casing (1d).
3. the ultrathin pulse transducer of one according to claim 1 and 2, it is characterized in that, described housing (1) is metal shell, the positive pole-face of described piezoelectric membrane (3) and pulse vibrations are transmitted piece (2) and are fitted, the negative pole face of described piezoelectric membrane (3) and housing (1) inwall fit, the signal conductor of holding wire (4) is folded in piezoelectric membrane (3) and pulse vibrations are transmitted between piece (2), and the screen layer of holding wire (4) is connected with housing (1).
4. the ultrathin pulse transducer of one according to claim 3, it is characterized in that, described housing (1) is provided with the electrode outlet line crimp head (5) adapting with holding wire (4), between described housing (1) and the screen layer of holding wire (4), is connected by the screen layer of electrode outlet line crimp head (5) crimping holding wire (4).
5. the ultrathin pulse transducer of one according to claim 3, is characterized in that, described piezoelectric membrane (3) both sides of edges is along circumferentially distributing and be coated with conductive adhesive layer, and the signal conductor of described holding wire (4) is positioned at the region at conductive adhesive layer place.
6. the ultrathin pulse transducer of one according to claim 1, is characterized in that, the free end end face of described pulse contact (2a) is arcwall face.
7. the ultrathin pulse transducer of one according to claim 1, is characterized in that, the height that described pulse contact (2a) is positioned at housing (1) Outboard Sections is 1～2.4mm.
8. the ultrathin pulse transducer of one according to claim 1, is characterized in that, the overall structure that described pulse vibrations transmission pieces (2) and pulse contact (2a) are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794066.3U CN203619542U (en) | 2013-12-03 | 2013-12-03 | Ultra-thin pulse sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794066.3U CN203619542U (en) | 2013-12-03 | 2013-12-03 | Ultra-thin pulse sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203619542U true CN203619542U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320794066.3U Expired - Fee Related CN203619542U (en) | 2013-12-03 | 2013-12-03 | Ultra-thin pulse sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203619542U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434072A (en) * | 2014-12-15 | 2015-03-25 | 北京新兴阳升科技有限公司 | Korotkoff's sound sensor |
| CN105310669A (en) * | 2014-06-16 | 2016-02-10 | 北京敏易联传感技术有限公司 | MEMS contact-type force sensor applied to sphygmomanometer and manufacturing method thereof |
| CN105433905A (en) * | 2015-12-03 | 2016-03-30 | 杨松 | Wearing equipment for collecting human body vibration signals and method for collecting human body physiological signals |
-
2013
- 2013-12-03 CN CN201320794066.3U patent/CN203619542U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310669A (en) * | 2014-06-16 | 2016-02-10 | 北京敏易联传感技术有限公司 | MEMS contact-type force sensor applied to sphygmomanometer and manufacturing method thereof |
| CN104434072A (en) * | 2014-12-15 | 2015-03-25 | 北京新兴阳升科技有限公司 | Korotkoff's sound sensor |
| CN105433905A (en) * | 2015-12-03 | 2016-03-30 | 杨松 | Wearing equipment for collecting human body vibration signals and method for collecting human body physiological signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN PUREN WANHE INFORMATION TECHNOLOGY CO., LT Free format text: FORMER NAME: TIANJIN ONEHAL INFORMATION TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Binhai Economic and Technological Development Zone of Tianjin City West 300457 ring Letter No. 19 TEDA Service Outsourcing Industry Park Building No. 1 Tianjin 1401-2 Purenwanhe Information Technology Co. Ltd. Patentee after: TIANJIN PUREN ONEHAL INFORMATION TECHNOLOGY Co.,Ltd. Address before: 300457 E8305, Binhai Financial Street, 20 East Square Road, Binhai New Area Development Zone, Tianjin, China Patentee before: TIANJIN ONEHAL INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 |